import demo1.Animal;
import demo1.Dog;

import java.util.Arrays;
import java.util.Scanner;


public class Text {
    public static void fun(Animal animal){
        System.out.println("4444");
    }
    public static void main3(String[] args) {
        Dog dog=new Dog();
        fun(dog);
    }
    public static void main2(String[] args) {
        Scanner scan=new Scanner(System.in);
        String str=scan.nextLine();
        StringBuffer s=new StringBuffer();
        for (int i = 0; i < str.length(); i++) {
            char ch=str.charAt(i);
            if(ch>='A'&&ch<='z'){
                s.append((char)(ch+32));
            }
            else{
                s.append(ch);
            }
        }
        str=s.toString();
        System.out.println(str);
    }
    public static void main1(String[] args) {
        Scanner scan=new Scanner(System.in);
        String str=scan.nextLine();
        String[] ret=str.split(" ");
        str=ret[ret.length-1];
        int count=str.length();
        System.out.println(count);
        System.out.println("ab"=="ab");
    }
}
